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Ontology Browser
Term:
Parent Terms Term With Siblings Child Terms
endoplasmic reticulum +     
endoplasmic reticulum exit site  
endoplasmic reticulum lumen +   
endoplasmic reticulum protein-containing complex +   
endoplasmic reticulum quality control compartment  
endoplasmic reticulum subcompartment +   
membrane stack 
perinuclear endoplasmic reticulum +   
plasmodesmatal desmotubule +  
plasmodesmatal endoplasmic reticulum 
rough endoplasmic reticulum +   
sarcoplasmic reticulum +   
smooth endoplasmic reticulum +   
The smooth endoplasmic reticulum (smooth ER or SER) has no ribosomes attached to it. The smooth ER is the recipient of the proteins synthesized in the rough ER. Those proteins to be exported are passed to the Golgi complex, the resident proteins are returned to the rough ER and the lysosomal proteins after phosphorylation of their mannose residues are passed to the lysosomes. Glycosylation of the glycoproteins also continues. The smooth ER is the site of synthesis of lipids, including the phospholipids. The membranes of the smooth ER also contain enzymes that catalyze a series of reactions to detoxify both lipid-soluble drugs and harmful products of metabolism. Large quantities of certain compounds such as phenobarbital cause an increase in the amount of the smooth ER.

Synonyms
Exact Synonyms: SER ;   smooth ER
Xrefs: NIF_Subcellular:sao710427438 ;   Wikipedia:Endoplasmic_reticulum#Smooth_endoplasmic_reticulum
Definition Sources: ISBN:0198506732

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